{"schema_version":"1.7.2","id":"OESA-2026-2108","modified":"2026-04-25T05:50:52Z","published":"2026-04-25T05:50:52Z","upstream":["CVE-2026-6746","CVE-2026-6747","CVE-2026-6748","CVE-2026-6749","CVE-2026-6750","CVE-2026-6751","CVE-2026-6752","CVE-2026-6753","CVE-2026-6754","CVE-2026-6757","CVE-2026-6759","CVE-2026-6761","CVE-2026-6762","CVE-2026-6763","CVE-2026-6764","CVE-2026-6765","CVE-2026-6766","CVE-2026-6767","CVE-2026-6769","CVE-2026-6770","CVE-2026-6771","CVE-2026-6772","CVE-2026-6776","CVE-2026-6785","CVE-2026-6786"],"summary":"firefox security update","details":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo\r\n\r\nSecurity Fix(es):\n\nUse-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6746)\n\nUse-after-free vulnerability in the WebRTC component of Firefox. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6747)\n\nUninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6748)\n\nInformation disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6749)\n\nPrivilege escalation vulnerability in the WebRender graphics component of Firefox browser. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6750)\n\nAn uninitialized memory vulnerability exists in the Audio/Video: Web Codecs component of Firefox browser. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6751)\n\nIncorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6752)\n\nIncorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.(CVE-2026-6753)\n\nA use-after-free vulnerability exists in the JavaScript Engine component of Mozilla Firefox. An attacker could potentially exploit this vulnerability to execute arbitrary code or cause the application to crash. This vulnerability has been fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6754)\n\nInvalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.(CVE-2026-6757)\n\nUse-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6759)\n\nPrivilege escalation in the Networking component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6761)\n\nSpoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.(CVE-2026-6762)\n\nMitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6763)\n\nIncorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6764)\n\nInformation disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6765)\n\nIncorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6766)\n\nOther issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6767)\n\nPrivilege escalation in the Debugger component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6769)\n\nOther issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6770)\n\nMitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6771)\n\nIncorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6772)\n\nIncorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6776)\n\nMemory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6785)\n\nMemory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6786)","affected":[{"package":{"ecosystem":"openEuler:24.03-LTS-SP3","name":"firefox","purl":"pkg:rpm/openEuler/firefox&distro=openEuler-24.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.10.0-1.oe2403sp3"}]}],"ecosystem_specific":{"aarch64":["firefox-140.10.0-1.oe2403sp3.aarch64.rpm","firefox-debuginfo-140.10.0-1.oe2403sp3.aarch64.rpm","firefox-debugsource-140.10.0-1.oe2403sp3.aarch64.rpm"],"src":["firefox-140.10.0-1.oe2403sp3.src.rpm"],"x86_64":["firefox-140.10.0-1.oe2403sp3.x86_64.rpm","firefox-debuginfo-140.10.0-1.oe2403sp3.x86_64.rpm","firefox-debugsource-140.10.0-1.oe2403sp3.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2108"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6746"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6747"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6748"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6749"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6750"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6751"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6752"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6753"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6754"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6757"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6759"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6761"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6762"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6763"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6764"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6765"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6766"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6767"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6769"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6770"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6771"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6772"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6776"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6785"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6786"}],"database_specific":{"severity":"Critical"}}